mac80211: ibss: handle cfg80211_chandef_dfs_required() error codes
Error codes returned by cfg80211_chandef_dfs_required() are ignored
when trying to join an IBSS. Fix this by printing an error and
returning.
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 4453e27..e458ca0 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -283,6 +283,11 @@
err = cfg80211_chandef_dfs_required(sdata->local->hw.wiphy,
&chandef);
+ if (err < 0) {
+ sdata_info(sdata,
+ "Failed to join IBSS, invalid chandef\n");
+ return;
+ }
if (err > 0) {
if (!ifibss->userspace_handles_dfs) {
sdata_info(sdata,